Tag: "chimp" at biology news

...the hidden predator. "This suggests that one chimp does recognize the different knowledgestate in the...variables that exist in the wild and tested if one chimp wouldwarn another specific chimp of a threat. "They responded dramatically when a threat was p...

... However, Prof. Terrace was notconvinced that the chimp had demonstrated the ability to create uniquesentences, the hallmark of language. After analyzing more than 20,000 differentcombinations of signs produced by the animal, Prof. terrace concluded that Nimsigned mainly to obtain particular rewards and ...

...onnection to its evolutionary past. Havingstudied chimp societies for many years and authoring numerous scientificpapers and books, de Waal's research of chimpanzees and other primatesillustrates how reconciliation and consolation serve to repair socialrelationships within the complex social system of pri...

...rned individuals to step inwhenever they believe a chimp or other great ape is being mistreated, much as wealready use the courts to protect children. But while the campaign has many supporters, the possibility that greatapes may soon have legal standing in New Zealand is making some biomedicalrese...

... with similar respect. "You can compare a chimp to a mildly retarded child. Just because it'smildl...nta reported a single case of HIV causing AIDS ina chimp (Journal of Virology, vol 71, p 4086). Since then, the virus responsiblehas been deliberately passed...

...animals throughout the course ofthe infection. The chimp HBV infections ran their course and the animals recovered withoutfurther complications. Most HBV infections in adult humans are similarlyuncomplicated. However, between 5 and 10 percent of the estimated 320,000 newHBV infections in the United State...

...em to be derived from them. Thus, if you like, the chimp 'Eve' of this sequence lived in central Africa," he said. But Pbo and his colleagues acknowledged that mitochondrial DNA studies, which show the most diversity in the western population, clash with this version of events. The research team encountere...

...tinguishable from one another. That the human and chimp sperm genes were so radically different suggests e...ternal sperm competition, puts intense pressure on chimp male genes to evolve rapidly. Conversely, gorillas employ a harem system where one high-ranking m...

...ad, the virus lives in peaceful symbiosis with the chimp immune system. Less commonly known is that chimps...ki, we have a biomedical imperative to embark on a chimp sequencing project. As an added incentive, sequencing the chimp genome should provide us with intri...

... you take a small female gorilla skull and a large chimp skull, they're very hard to tell apart." But Wolpoff's recent study did look for proof of interbreeding in bones. He used a checklist of diagnostic features to rate a group of modern and ancient skulls from Europe and Australia as well as archaic...

...e expression in humans were more like those in the chimp than in the macaque. Differences in gene expression from the macaque pattern appear to have accumulated at roughly the same rate in humans and chimpanzees, which might be expected given their close evolutionary ties. But the brain tissue told a diffe...

...tudying the two sequences. Comparing the human and chimp genomes, in particular, may provide insights into human diseases because there are a number of medical conditions that affect humans but not chimpanzees. Chimpanzees themselves cannot -- and will not -- be used in any experimental studies. A working ...

...conference at the Golf Hotel, Sept 12 and 13, with chimp conservation experts from Africa, the United State...ically for biomedical research. Bush meat trade in chimp meat is a serious problem also because of severe health risks posed to humans who eat chimpanzee mea...

...he argues, comparing the human genome to that of a chimp or a baboon, is like comparing a sedan to a statio..., however, comparing the human genome to that of a chimp or baboon has been a problem since both genomes are so much alike. As Boffelli, who works with Rubin...

...findings, involving observations in both human and chimp male chromosomes, could explain how the Y repairs ...ue not only in a human Y chromosome, but also in a chimp Y. "When we look at the human Y, compared with the chimp Y," Page said, "what we can infer is that d...

...ich is based on four-fold sequence coverage of the chimp genome, into the NIH-run, public database, GenBank...litate biomedical studies comparing regions of the chimp genome with similar regions of the human genome, the researchers also have aligned the draft version...

...cause of the need to be sure that the right human, chimp and mouse genes were aligned. According to Clark, all mammals have an extensive repertoire of olfactory receptors, genes that allow specific recognition of the smell of different substances. "The signature of positive selection is very strong in ...

...cause of the need to be sure that the right human, chimp and mouse genes were aligned. According to Clark, all mammals have an extensive repertoire of olfactory receptors, genes that allow specific recognition of the smell of different substances. "The signature of positive selection is very strong in ...

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